A new mathematical model suggests that liquid water (and the life associated with it) could be found under the surface of planets where the planet core keeps it warm and in effect extends the "goldilocks" zone.

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The current habitable zone for our solar system extends out as far as Mars, but this re-drawn habitable zone would see the zone extend out further than Jupiter and Saturn. The findings also suggest that many of the so-called “rogue” planets drifting around in complete darkness could actually be habitable

Interesting. Maybe there is more life out there than we thought, just not as we know it Jim.